20186873912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{34703}}^1$

素因数の和:34860

約数の個数: 64

約数和(自身を含む): 41228352000

約数和(自身を除く): 21041478088

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 89, 152, 172, 178, 344, 356, 712, 817, 1634, 1691, 3268, 3382, 3827, 6536, 6764, 7654, 13528, 15308, 30616, 34703, 69406, 72713, 138812, 145426, 277624, 290852, 581704, 659357, 1318714, 1492229, 2637428, 2984458, 3088567, 5274856, 5968916, 6177134, 11937832, 12354268, 24708536, 28352351, 56704702, 58682773, 113409404, 117365546, 132808381, 226818808, 234731092, 265616762, 469462184, 531233524, 1062467048, 2523359239, 5046718478, 10093436956, 20186873912]

約数ペア:

[(1, 20186873912), (2, 10093436956), (4, 5046718478), (8, 2523359239), (19, 1062467048), (38, 531233524), (43, 469462184), (76, 265616762), (86, 234731092), (89, 226818808), (152, 132808381), (172, 117365546), (178, 113409404), (344, 58682773), (356, 56704702), (712, 28352351), (817, 24708536), (1634, 12354268), (1691, 11937832), (3268, 6177134), (3382, 5968916), (3827, 5274856), (6536, 3088567), (6764, 2984458), (7654, 2637428), (13528, 1492229), (15308, 1318714), (30616, 659357), (34703, 581704), (69406, 290852), (72713, 277624), (138812, 145426)]